\documentclass[a4paper, 11pt]{article}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage[spanish, activeacute]{babel}
\usepackage[usenames,dvipsnames]{color}
\usepackage[width=15.5cm, left=3cm, top=2.5cm, height= 24.5cm]{geometry}
\usepackage{graphicx}
\usepackage[utf8]{inputenc}
\usepackage{listings}
\usepackage[all]{xy}
\usepackage{multicol}
\usepackage{subfig}
\usepackage{url}
\usepackage{float}

\include{templates}

\begin{document}

\markboth{left head}{Teoria de Lenguajes}
\pagestyle{myheadings}

\input{frontpage}

\newpage

\tableofcontents

\newpage

\input{overview}

\newpage

\input{development}

\newpage

\input{results}

%\newpage

%\input{argumentation}

\newpage

\input{conclusions}

\newpage

\input{appendices}

\newpage

\input{references}

\end{document}
